! SIEMENS Small Signal Semiconductors ! BF660 ! Si PNP RF Bipolar Junction Transistor in SOT23 ! VCE = -20 V IC = -1 mA ! Common Emitter S-Parameters: January 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9684 -4.9 3.481 176.2 0.0020 89.2 0.9978 -0.4 0.020 0.9595 -9.6 3.464 172.3 0.0041 83.0 0.9968 -0.8 0.050 0.9342 -23.8 3.327 161.0 0.0096 77.0 0.9912 -2.0 0.100 0.8633 -45.0 2.986 144.8 0.0172 65.8 0.9791 -3.5 0.150 0.7859 -63.2 2.632 131.7 0.0228 58.6 0.9668 -4.5 0.200 0.7122 -78.3 2.290 120.6 0.0267 53.0 0.9547 -5.3 0.250 0.6582 -91.1 2.008 111.7 0.0298 49.7 0.9480 -5.9 0.300 0.6167 -101.7 1.774 104.4 0.0319 47.3 0.9417 -6.5 0.400 0.5664 -119.1 1.414 92.8 0.0352 45.2 0.9360 -7.7 0.500 0.5452 -132.1 1.175 83.5 0.0377 44.4 0.9317 -9.0 0.600 0.5369 -143.2 0.994 75.7 0.0396 44.4 0.9286 -10.4 0.700 0.5375 -152.3 0.864 68.8 0.0410 45.8 0.9281 -11.8 0.800 0.5432 -160.2 0.761 62.7 0.0419 46.8 0.9283 -13.3 0.900 0.5527 -167.2 0.680 57.1 0.0421 48.7 0.9266 -14.9 1.000 0.5612 -173.9 0.615 51.7 0.0426 51.5 0.9269 -16.3 1.100 0.5764 -179.8 0.558 47.1 0.0426 55.6 0.9280 -18.0 1.200 0.5929 174.2 0.510 42.8 0.0435 60.0 0.9285 -19.7 1.300 0.5986 169.1 0.462 38.4 0.0444 65.7 0.9295 -21.5 1.400 0.6132 164.2 0.428 35.7 0.0466 71.4 0.9284 -23.1 1.500 0.6266 159.6 0.396 32.0 0.0494 77.4 0.9280 -24.9 1.600 0.6322 155.1 0.366 29.0 0.0536 82.6 0.9280 -26.8 1.700 0.6449 150.7 0.338 26.1 0.0592 87.6 0.9289 -28.7 1.800 0.6574 146.8 0.308 24.8 0.0656 91.5 0.9275 -30.5 1.900 0.6661 142.8 0.283 22.2 0.0739 94.8 0.9284 -32.4 2.000 0.6798 138.8 0.256 22.0 0.0829 97.3 0.9260 -34.4 2.200 0.6922 131.4 0.221 20.9 0.1035 99.8 0.9218 -38.5 2.400 0.7092 123.9 0.185 23.4 0.1282 100.1 0.9180 -42.8 2.600 0.7248 117.4 0.160 29.9 0.1545 99.1 0.9119 -47.0 2.800 0.7377 111.1 0.150 40.8 0.1836 96.8 0.9020 -51.6 3.000 0.7466 104.9 0.148 51.3 0.2134 93.9 0.8938 -56.2 ! ! SIEMENS AG Semiconductor Group, Munich